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authorAndy Walls <awalls@radix.net>2008-07-13 19:05:25 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-20 07:24:59 -0300
commit8abdd00dcc6a58cab3afe6a23a0ce819dc08049a (patch)
treee12468caf7a74379a5833827f6b83ea77d37df0c /drivers/media/video/cx18/cx18-ioctl.c
parent2c6a37bb076b9718c6362d4ffa1c7e58fdb1a0e9 (diff)
V4L/DVB (8331): cx18: Add locking for struct cx18 GPIO state variables
cx18: Add locking for struct cx18 GPIO state variables in anticpation of adding IR microcontroller reset support for use by external IR modules. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cx18/cx18-ioctl.c')
-rw-r--r--drivers/media/video/cx18/cx18-ioctl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c
index 6eaf77b99e9..146a4b85649 100644
--- a/drivers/media/video/cx18/cx18-ioctl.c
+++ b/drivers/media/video/cx18/cx18-ioctl.c
@@ -716,8 +716,10 @@ static int cx18_log_status(struct file *file, void *fh)
cx18_get_audio_input(cx, cx->audio_input, &audin);
CX18_INFO("Video Input: %s\n", vidin.name);
CX18_INFO("Audio Input: %s\n", audin.name);
+ mutex_lock(&cx->gpio_lock);
CX18_INFO("GPIO: direction 0x%08x, value 0x%08x\n",
cx->gpio_dir, cx->gpio_val);
+ mutex_unlock(&cx->gpio_lock);
CX18_INFO("Tuner: %s\n",
test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ? "Radio" : "TV");
cx2341x_log_status(&cx->params, cx->name);